在眼睛飞快扫视的一秒内,图像告诉通过我们的视网膜。
During the fraction of a second that a saccade takes, images sweep over our retinas at high speed.
如果希望产生的画面能跟外部世界对得起来,你需要精确地知道用户在往哪儿看,特别是当他们的眼睛飞快地扫视时,要知道人的眼睛是可以以极快的速度进行扫视的。
You need to know exactly where the user is looking if you want to render graphics that line up with the world, especially when their eyes saccade (jump around), which our eyes do at a very high rate.
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